IOB 6120 by Jim Kearney
- iob6-ris the "A" version from Jim Kearney.
- iob7cis the "B" version from Jim Kearney.
- iob7cvrsis iob7c with the silk-screen visible.
- iob9avrsis my first attempt at fixing the battery issue (single CE#, lots of read/write enables).
- iob9bvrsis my second attempt at fixing the battery issue (DS1321D, CE# per ramdisk, series batteries).
- iob9cvrsis the fixed "9C" version manufactured in 2009 (DS1321D with parallel batteries).
- iob9xvrsis iob9c re-routed with slightly beefed up power rails.
- iob10avrsis a copy of iob9c with the bottom side silkscreen glitch (RN2) fixed.